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WO2005122326A1 - Dispositif d’antenne-câble d’écouteur, câble de connexion et appareil de réception d’émission - Google Patents

Dispositif d’antenne-câble d’écouteur, câble de connexion et appareil de réception d’émission Download PDF

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Publication number
WO2005122326A1
WO2005122326A1 PCT/JP2005/004674 JP2005004674W WO2005122326A1 WO 2005122326 A1 WO2005122326 A1 WO 2005122326A1 JP 2005004674 W JP2005004674 W JP 2005004674W WO 2005122326 A1 WO2005122326 A1 WO 2005122326A1
Authority
WO
WIPO (PCT)
Prior art keywords
antenna
earphone
cable
signal line
antenna element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2005/004674
Other languages
English (en)
Japanese (ja)
Inventor
Kazuya Tani
Yoshio Koyanagi
Kiyoshi Egawa
Hiroyuki Sasaki
Kenya Nagano
Shingo Sumi
Yutaka Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of WO2005122326A1 publication Critical patent/WO2005122326A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set

Definitions

  • the present invention relates to an earphone cable antenna device, a connection cable, and a broadcast receiving device.
  • an earphone cable is used as a wire antenna for a portable wireless device having a broadcast receiving function such as an FM radio or a TV broadcast receiver.
  • a broadcast receiving function such as an FM radio or a TV broadcast receiver.
  • a mobile phone terminal that requires light weight, small size, and portability is required to be equipped with a broadcast receiving function.
  • the mounting of a cable antenna is likely.
  • a highly portable broadcast receiving antenna is realized by a relatively simple configuration in which an earphone cable is coupled to an antenna circuit.
  • Patent document 1 JP-A-7-307694
  • Patent Document 2 Japanese Utility Model Application Laid-Open No. 3-109414
  • Patent Document 3 JP-A-62-40804
  • the second is when the housing-mounted antenna is covered with a hand, for example, when holding the portable terminal.
  • a hand for example, when holding the portable terminal.
  • mobile phone terminals are increasingly equipped with a built-in main antenna, and the position of the antenna cannot be seen from the outside. Therefore, the possibility of covering the antenna with hands when holding both hands increases. Therefore, there is a problem that the antenna performance is greatly deteriorated due to such a change in the use state.
  • the conventional earphone cable antenna described above does not particularly assume the above two usage modes, and there is a possibility that the antenna performance may not be sufficiently exhibited in such usage modes.
  • the present invention stable and high antenna performance can be obtained in a state where terrestrial digital television broadcasting is viewed using earphones, particularly when the broadcast receiving device is close to a human body.
  • it has an antenna element disposed in the connection cable, and can achieve high antenna performance corresponding to various externally connected devices.
  • FIG. 8 is a basic configuration diagram of a broadcast receiving apparatus according to Embodiment 2 of the present invention.
  • FIG. 10 is a basic configuration diagram of a broadcast receiving apparatus according to Embodiment 4 of the present invention.
  • FIG. 11 is a basic configuration diagram of a broadcast receiving apparatus according to Embodiment 5 of the present invention.
  • FIG. 13 is a basic configuration diagram of a broadcast receiving apparatus according to Embodiment 7 of the present invention.
  • FIG. 14 is a basic configuration diagram of a broadcast receiving apparatus according to Embodiment 8 of the present invention.
  • FIG. 15 is an image diagram of a high-frequency current on an earphone cable antenna according to Embodiments 7 and 8 of the present invention.
  • FIG. 19 is a diagram showing a basic configuration of a broadcast receiving device and a connection cable according to Embodiment 11 of the present invention.
  • an embodiment of an earphone cable antenna device, a connection cable, and a broadcast receiving device according to the present invention will be described with reference to the drawings, using a simple demonstration experiment as an example.
  • configurations having the same functions are denoted by the same reference numerals, and redundant description will be omitted.
  • FIG. 1 is a basic configuration diagram of a broadcast receiving device according to Embodiment 1 of the present invention.
  • the upper case 1 and the lower case 2 shown in FIG. 1 are the main body of the portable receiving terminal, and are assumed to be a foldable portable telephone terminal.
  • the earphone 3 is used by the user to listen to the television sound via the signal line 4 through the user's ear, and is used to listen to terrestrial digital broadcasting with high sound quality in a mobile environment.
  • the signal line 4 is assumed to have a configuration of two audio signal lines and a ground line, or a configuration of two or more stereo audio signal lines and a ground line.
  • the signal line 4 is connected to a high-frequency cutting circuit 7 that cuts a high-frequency current in the UHF band at a position separated from the insertion connector section 6 by the same length as the earphone cable antenna element 5 (operating frequency: 3/4 ⁇ ). Connected to the earphone 3 via the signal line 4. At this time, a high-frequency current is carried on all of the plurality of cables arranged in parallel and close to each other, and collectively operates as an earphone cable antenna device. Only a specific length (L1) can be operated as an earphone cable antenna device It becomes possible.
  • the UHF band high-frequency cutoff circuit 7 may be a fixed resistor, if it is capable of passing electric signals such as voices and microphones that can have an inductance of about 200 nH or more and cut off high-frequency signals from the antenna. It may be a ferrite loaded conductor, a semiconductor, a diode, or the like.
  • An audio signal line 10 output from the broadcast receiving circuit 9 is connected to the earphone connector section 8, and an audio signal is transmitted to the earphone 3 via the signal line 4.
  • the antenna signal received by the earphone cable antenna element 5 is grounded by a coil 11 to remove audio noise after being grounded by a coil 11, and then passed through a matching circuit 12 to receive a television broadcast wave by a receiving circuit. It is connected to a certain broadcast receiving circuit 9.
  • the total length (L1 + L2) of the earphone cable was temporarily fixed to 600 mm, and the antenna performance was evaluated by changing the length (L1) of the earphone cable antenna element 5 to 144 mm, 405 mm, and 600 mm. .
  • FIG. 2 shows a state in which measurement is performed assuming that the user 15 is watching a television broadcast on the portable receiving terminal (in use 1).
  • the signal line 4 and the earphone antenna cable element 5 are collectively shown as an entire earphone cable 14.
  • the measurement was performed with the distance d between the portable receiving terminal and the human body being 300 mm.
  • the user 15 inserts the earphone 3 into his / her ear, and the entire earphone cable 14 is hung in a natural state.
  • Fig. 3 shows a state in which measurement is performed assuming a state in which only the sound of broadcast waves is being heard while the portable receiving terminal is in a pocket or the like (in use 2).
  • the measurement was performed with the distance d between the mobile receiving terminal and the user 15 being 20 mm.
  • the antenna performance may be deteriorated.
  • the antenna performance is expressed as the pattern averaging gain (PAG) [dB d] in the horizontal plane with the cross polarization ratio set to 0, and is measured at four frequencies in the terrestrial digital television operating frequency band (470 MHz to 690 MHz). Go to The state of use when the human body is in proximity is shown as 1 when using the state in Fig. 2 and as 2 when using the state in Fig. 3.
  • PAG pattern averaging gain
  • FIG. 4 As shown in FIG. 4, FIG. 5, and FIG. 6, all three types of antennas are almost impedance-matched so that mismatch loss is reduced over the entire operating frequency band.
  • the free space efficiency (r?) Is also stable.
  • the length of the earphone cable antenna element 5 depends on the length.
  • L1 3Z4 (405 mm) shown in FIG. 5
  • a high antenna gain can be obtained over the entire operating frequency band.
  • the antenna gain of 8 dBd or more can be obtained stably in both use 1 and use 2, and as shown in Figs. 4 and 6, depending on the use condition, the antenna gain can be reduced to about -15 dBd. The gain does not deteriorate.
  • the operating length of the antenna element is 3Z4 ⁇ , as shown in FIG. 7 (b), most of the high-frequency current mainly flows through the antenna element, and the entire current flowing through the main body of the portable receiving terminal is completely reduced.
  • the current is as small as 1Z4. For this reason, the antenna performance is not easily deteriorated due to holding the portable receiving terminal body by hand while having a wide band characteristic, and the deterioration when approaching the user's body is small.
  • the terrestrial digital television operating frequency band (470 MHz to 690 MHz) is used as the operating frequency band
  • 3 ⁇ 4 ⁇ will be 480 to 330 mm, which will be used as an earphone cable.
  • a higher UHF frequency band 800MHz-2G such as that used in mobile phones
  • FIG. 1 only two signal lines 4 are shown. This is composed of a plurality of cables such as a stereo sound, a microphone signal line, and a remote control cable, and a high-frequency separation circuit 13 is provided for each of them. Similar effects can be obtained by the configuration.
  • FIG. 8 is a basic configuration diagram of a broadcast receiving apparatus according to Embodiment 2 of the present invention.
  • Embodiment 2 differs from Embodiment 1 in that the 3Z4 ⁇ long earphone cable antenna element 5 and the signal line 4 are separately arranged, but the signal line 4 and the earphone cable antenna element 5 are shared. Therefore, there is no need to provide a separate element as the earphone cable antenna element 5.
  • An audio signal line 10 output from a broadcast receiving circuit 9 is connected to the earphone connector section 8, and a high-frequency separation circuit 13 that cuts off high frequencies is loaded at a connection end of the earphone cable antenna element 5, Separate audio and antenna signals.
  • FIG. 8 only two signal lines 4 are shown. This is composed of a plurality of cables such as a stereo sound, a microphone signal line, and a remote control cable, and a high-frequency separation circuit 13 is provided for each of them. A similar effect can be obtained with the configuration.
  • FIG. 8 shows a configuration in which the audio signal line 4 operates as an antenna
  • a similar effect can be obtained with a configuration in which a microphone signal line other than audio, a remote control cable, or the like operates as an antenna.
  • FIG. 9 is a basic configuration diagram of a broadcast receiving device according to Embodiment 3 of the present invention.
  • the third embodiment is a modification of the first embodiment, in which the outer conductor 16 of the signal line 4 is used as the earphone cable antenna element 5.
  • the outer ground conductor 16 of the signal line 4 is connected to a portable receiver in a low frequency band that is an audio signal band.
  • the signal line 4 can be shielded by the outer ground conductor 16 because it is connected to the ground inside the housing of the signal terminal body, that is, the ground potential.
  • the outer ground conductor 16 is formed of, for example, a reticulated conductive wire that shields and covers the signal line 4.
  • the high-frequency current flowing through the linear antenna mainly flows on the outer surface of the conductor.
  • high-frequency isolation can be secured between the high-frequency current flowing on the outer surface of the outer ground conductor 16 and the signal line 4 disposed inside the outer ground conductor 16. 4 can reduce the sneak of high-frequency current.
  • the audio signal supplied from the audio signal line 10 via the connector is connected to the high-frequency cutting circuit 7 through the signal line 4 and transmitted by the earphone 3.
  • FIG. 10 is a basic configuration diagram of a broadcast receiving apparatus according to Embodiment 4 of the present invention.
  • Embodiment 4 is based on Embodiment 1, and
  • FIG. 10 shows a basic structure using a stereo type earphone cord as an earphone cable antenna device.
  • the high-frequency cutting circuit 7 can be mounted with a less noticeable design.
  • the present invention can be applied to a microphone arrangement section and a remote control arrangement section of an earphone with a sound microphone used for a mobile phone and the like.
  • the control unit 20 determines which of the received signals obtained by the broadcast receiving circuit 9 is the higher quality antenna, and controls the high frequency switch 17 to always provide high reception performance. To maintain. As a criterion for selecting an antenna, grounds such as selection of a higher received power or selection of a lower error rate after signal demodulation may be considered.
  • FIG. 13 is a basic configuration diagram of a broadcast receiving apparatus according to Embodiment 7 of the present invention.
  • a connection is made from the earphone connector section 8 to the middle of the earphone cable (L4) using a balanced transmission line 21 such as a Letzher wire, for example, and the length of one end force is 1/4 ⁇ or more.
  • the earphone cable antenna element 5 (L3) is configured up to the earphone 3. Further, the earphone cable antenna element 5 and the signal line 4 are arranged in parallel.
  • the broadcast receiving device is a mobile phone (portable wireless device), and its antenna is, for example, a television broadcast (frequency is about 470 MHz to 700 MHz). The following description will be made assuming that it is used for reception of data.
  • FIG. 16 is a basic configuration diagram of a broadcast receiving device and a connection cable according to Embodiment 9 of the present invention.
  • a circuit board 127 is provided inside a housing 101.
  • the circuit board 127 includes a control unit 111 having an arithmetic function and a storage function, a wireless circuit unit 109 having a TV tuner unit (not shown), a matching circuit 12, and a connector corresponding to the first connection means in the claims. 102 is mounted and mechanically fixed.
  • a plurality of control terminals 103 and power supply terminals 104 are provided inside the connector 102, and the connector 102 and the connector 105 provided at one end of the connection cable 128 are connected to each other.
  • the plurality of control terminals 103 and the plurality of signal lines 4 are electrically connected, and the power supply terminal 104 and the antenna element 106 are electrically connected.
  • each of the plurality of signal lines 4 and the antenna element 106 is formed of a linear conductor, and the plurality of signal lines 4 and the antenna element 106 are made of an insulating material such that they are not electrically connected to each other. And then bundled as connection cable 128.
  • connection cable 128 At the opposite end of the connection cable 128 where the connector 105 is provided, a connector 118 corresponding to the second connection means in the claims is provided.
  • the earphone jack 113 of the earphone 3 is connected to the connector 118, and the plurality of signal lines 4 and the earphone 3 are electrically connected.
  • control unit 111 and earphone 3 are electrically connected, and audio of control unit 111
  • the signal is transmitted to the earphone 3, and the sound is output from the earphone 3.
  • the antenna element 106 having a length of about 40 cm operates as a monopole antenna on a ground pattern serving as a ground potential of the circuit board 127.
  • a matching circuit 12 matches the impedance of the monopole antenna with the input impedance (generally 50 ⁇ ) of the radio circuit section 109.
  • connection cable 128 is provided between the earphone 3 and the housing 101, and the connection is performed.
  • the electrical length of the antenna element 106 does not change even if earphones 3 having earphone cables of various types and various lengths are used. Therefore, high antenna performance can always be obtained stably.
  • FIG. 17 is a diagram showing a state in which a television broadcast is viewed with the broadcast receiving device shown in FIG. As shown in this figure, in the television viewing state, since the antenna element 106 is hard to approach the human body 125, a decrease in antenna performance due to the human body proximity can be reduced, so that high antenna performance can be obtained.
  • the present embodiment unlike the conventional case where the signal line of the externally connected device is used as an antenna, it is possible to cope with various externally connected devices, and the proximity of the antenna and the human body can be improved. Therefore, it is possible to reduce a decrease in antenna performance due to the above, and to obtain high antenna performance.
  • the present invention is not limited to this, even when earphone jack 113 and earphone 3 are not connected. High antenna performance can be obtained.
  • the shape of housing 101 has been described as being straight, but the present invention is not limited to this.
  • the foldable shape described in Embodiment 1 or the like may be used. (Embodiment 10)
  • FIG. 18 is a basic configuration diagram of a broadcast receiving device and a connection cable according to Embodiment 10 of the present invention.
  • FIG. 18 differs from FIG. 16 in that an inductance element 117 is loaded in series with each of the plurality of signal lines 110 and near the connector 102, and that the inductance element 119 is connected to a plurality of signals inside the connector 118. The point is to load each of the lines 4 in series.
  • the inductance element 117 is set such that the impedance is sufficiently low with respect to a direct current whose impedance is sufficiently high at a frequency used in television broadcasting. According to our experiments, in the 470MHz to 710MHz television broadcasting frequency band, an inductance value of 200nH or more is sufficient. Further, it is desirable from the viewpoint of antenna performance that the inductance element 117 is arranged near the connector 102, for example, within 5 mm from the control terminal 103.
  • the inductance element 119 is set such that the impedance is sufficiently high at a frequency used in television broadcasting and the impedance is sufficiently low with respect to a DC current. Further, it is desirable from the viewpoint of antenna performance that the inductance element 119 is arranged within 5 mm from the end of the antenna element 106 on the connector 118 side.
  • the high-frequency current excited from the radio circuit unit 109 to the antenna element 106 is generated by the proximity of the antenna element 106 and the signal line 4 in the cable 128 to the electromagnetic wave. And leak to signal line 4.
  • the inductance element 117 is not provided, the high-frequency current flows through the signal line 4 to the signal line 110 on the circuit board 127, and further flows to the ground pattern that is the ground potential of the circuit board 127, Antenna performance deteriorates. If the inductance element 119 is not provided, the high-frequency current flows to the earphone 3 connected to the signal line 4, so that the antenna performance deteriorates.
  • the inductance elements (117, 119) 1S disposed on signal line 4 near both ends of antenna element 106 leak to signal line 4 High frequency current can be cut off, minimizing deterioration of antenna performance. Can be reduced.
  • the control unit 111 and the earphone 3 are electrically connected through the inductance elements (117, 119) having a small DC current loss, an electric signal can be transmitted to the earphone 3 and the earphone 3 can be transmitted. Can be operated.
  • antenna element 106 and signal line 4 are close to each other and are electromagnetically coupled to each other, so that a reduction in radiation resistance can be reduced, and a wide frequency bandwidth can be obtained. As a result, the antenna performance can be improved.
  • an inductance element 117 is arranged on each line of the signal line 110 and an inductance element 119 is arranged on each line of the signal line 4.
  • the present invention is not limited to this.
  • similar effects can be obtained by increasing the impedance in a specific frequency band, such as an LC parallel resonance circuit, and lowering the impedance for DC current.
  • the present invention is not limited to this. Only inductance element 117 or inductance element 119 is provided. Even when only the antennas are arranged, it is possible to obtain higher antenna performance than in the past.
  • the force of loading inductance element 117 on signal line 110 on circuit board 127 is not limited to this, and may be loaded on signal line 110 inside connector 102. .
  • FIG. 19 is a basic configuration diagram of a broadcast receiving device and a connection cable according to Embodiment 11 of the present invention.
  • FIG. 19 differs from FIG. 18 in that an inductance element 130 is arranged inside the connector 105 instead of the inductance element 117, and at a position separated by a predetermined distance L5 from the connectors 118 of the plurality of signal lines 4. This is the point where the inductance element 131 is loaded in series.
  • the inductance element 130 is arranged inside the connector 105, and is loaded on the plurality of signal lines 4, respectively.
  • the inductance element 130 is set such that the impedance is sufficiently high at a frequency used in television broadcasting and the impedance is sufficiently low for a DC current.
  • the inductance element 130 is arranged inside the connector 105, high antenna performance can be ensured as in the case where the inductance element is arranged on the circuit board 127, and the circuit can be maintained.
  • the mounting area of the substrate 127 can be increased.
  • the inductance element 131 is loaded in series on the plurality of signal lines 4 at a position separated by a distance L5 from the connector 118. Like the inductance element 130, the inductance element 131 is set so that the impedance is sufficiently low with respect to a direct current whose impedance is sufficiently high at a frequency used in television broadcasting.
  • the inductance element 131 is loaded on the plurality of signal lines 4 at a position separated by a distance L5 from the connector 118, and by shortening the high-frequency length of the plurality of signal lines 4, an antenna for the plurality of signal lines 4 is formed. Reduce current leakage. As a result, it is possible to reduce deterioration of antenna performance at a specific frequency, and to obtain high antenna performance over a wide frequency band.
  • the present embodiment has been described as an antenna in a television broadcast reception frequency band, the present invention is not limited to this.
  • the impedance to be high in the frequency band and optimizing the electrical length of the antenna element 106 high antenna performance can be obtained.
  • the first embodiment of the present invention is directed to an earphone cable antenna element having a length of approximately three-quarters of the operating frequency band, and a parallel connection with the earphone cable antenna element that is longer than the earphone cable antenna element.
  • a high-frequency cutting circuit that cuts a high-frequency current flowing through the signal line at a position that is approximately three-quarters of a wavelength apart from the operating frequency band of the signal line disposed on the broadcast receiving device side;
  • This is an earphone cable antenna device equipped with:
  • the earphone cable antenna element has a separation circuit for separating an electric signal and a high-frequency signal, and the earphone cable antenna element is shared with the signal line. It is an earphone cable antenna device.
  • a third aspect of the present invention is the earphone cable antenna device according to the above aspect, wherein the earphone cable antenna element is shared as a ground outer conductor of the signal line.
  • a fourth aspect of the present invention is the earphone cable antenna device according to the above-mentioned aspect, wherein the high-frequency cutting circuit is provided in a stereo type earphone code division part.
  • the housing-mounted antenna element switching means for selecting the housing-mounted antenna element and the earphone cable antenna element
  • An earphone cable antenna device comprising: a control unit that controls the switching unit based on a result of comparison between a received signal quality and a received signal quality of the earphone cable antenna element.
  • a sixth aspect of the present invention is the earphone cable antenna device according to the above aspect, wherein the high-frequency cutting circuit is built in a remote controller.
  • a ninth aspect of the present invention is the broadcast receiving apparatus according to the above-mentioned aspect, comprising the above-described earphone cable antenna device.
  • a tenth aspect of the present invention is directed to a tenth aspect, wherein the first connection means provided in the broadcast receiving device, the cable connected to the first connection means, and the second connection means provided at the other end of the cable.
  • the antenna element when the cable is connected to the first connection means, the antenna element operates as an external antenna of the broadcast receiving apparatus. Therefore, various external connection devices are connected to the second connection means. High antenna performance can be obtained even when the antenna is used.
  • the antenna element since the antenna element is included in the connection cable, the distance between the antenna element and the human body can be increased, the deterioration of the antenna performance due to the influence of the human body can be reduced, and high antenna performance can be obtained. it can.
  • a twelfth aspect of the present invention is the connection cable according to the above aspect, wherein an inductance element is loaded in series with the signal line near the second connection means.
  • a thirteenth aspect of the present invention is the connection cable according to the above aspect, wherein an inductance element is loaded in series with the signal line separated by a predetermined distance from the second connection means.
  • a fourteenth aspect of the present invention is the connection cable according to the above aspect, including an external connection device connected to the second connection means.
  • the antenna element is included in the connection cable, the distance between the antenna element and the human body can be increased, the deterioration of antenna performance due to the influence of the human body can be reduced, and high antenna performance can be obtained. it can.
  • the earphone cable antenna device, the connection cable, and the broadcast receiving device according to the present invention can provide stable antenna performance particularly in the case of watching a television broadcast, particularly when approaching a human body whose performance is significantly deteriorated.
  • earphone cables are used, there is little restriction on the design surface power, and the number of newly required parts is small. Therefore, the load on cost is small, so that practical use as a new antenna device is easy.

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  • Details Of Aerials (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
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  • Support Of Aerials (AREA)

Abstract

Dispositif d’antenne-câble d’écouteur, câble de connexion et appareil de réception d’émission pour les bandes UHF, où la prévision d’une antenne-câble d’écouteur résistant aux effets d’un corps humain proche de l’antenne permet d’obtenir une performance stable d’antenne moins dépendante de l’état de l’usage. Une partie de connecteur d’insertion (6) est insérée dans une partie de connecteur d’écouteur (8) connectée à la circuiterie à l’intérieur d’un boîtier inférieur (2), où au moins l’une des lignes de signal (4) est connectée à un circuit de réception d’émission (9) au travers d’une ligne de signal audio (10). La ligne de signal (4) est également connectée à un circuit de coupure haute-fréquence (7) qui est espacé de 3/4λ de la fréquence d’exploitation de la partie de connecteur d’insertion (6) pour couper les courants de haute fréquence des bandes UHF. Le circuit de coupure haute-fréquence (7) est en outre connecté à un écouteur (3) au travers de la ligne de signal (4). Un élément d’antenne câble d’écouteur (5) est disposé en parallèle avec la ligne de signal (4) et est équivalent à une longueur L1 = 3/4λ à la fréquence d’exploitation. Un signal d’antenne est introduit dans le circuit de réception d’émission (9) au travers d’un circuit d’appariement (12).
PCT/JP2005/004674 2004-06-11 2005-03-16 Dispositif d’antenne-câble d’écouteur, câble de connexion et appareil de réception d’émission Ceased WO2005122326A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004-174306 2004-06-11
JP2004174306 2004-06-11
JP2005-004316 2005-01-11
JP2005004316A JP2006025392A (ja) 2004-06-11 2005-01-11 イヤホンケーブルアンテナ装置、接続ケーブル及び放送受信装置

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CN102427192A (zh) * 2011-08-05 2012-04-25 中兴通讯股份有限公司 连接装置、耳机天线及耳机
EP3457718A1 (fr) * 2008-02-06 2019-03-20 Starkey Laboratories, Inc. Antenne utilisée conjointement avec les conducteurs pour un transducteur audio

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WO2007138669A1 (fr) * 2006-05-29 2007-12-06 Panasonic Corporation Adaptateurs ca et dispositif terminal mobile
JP2008099117A (ja) * 2006-10-13 2008-04-24 Smk Corp 変換ケーブル、イヤホーン装置及びコントローラ
JP4628347B2 (ja) * 2006-12-15 2011-02-09 ホシデン株式会社 中継コード
JP4924126B2 (ja) * 2007-03-19 2012-04-25 ソニー株式会社 受信装置及びアンテナ
JP4743148B2 (ja) * 2007-04-10 2011-08-10 ソニー株式会社 受信装置及びアンテナ
JP4924171B2 (ja) * 2007-04-16 2012-04-25 ソニー株式会社 受信装置、アンテナ及び中継ケーブル
US8428670B2 (en) 2007-04-11 2013-04-23 Sony Corporation Reception device, antenna, and junction cable
US8934984B2 (en) 2007-05-31 2015-01-13 Cochlear Limited Behind-the-ear (BTE) prosthetic device with antenna
DK2076065T4 (en) † 2007-12-27 2017-02-20 Oticon As Hearing aid and method for wireless reception and / or transmission of data
JP5067292B2 (ja) * 2008-07-16 2012-11-07 ソニー株式会社 受信装置、アンテナ及び中継ケーブル
JP4743240B2 (ja) 2008-08-28 2011-08-10 ソニー株式会社 受信装置、中継ケーブル及び電源装置
EP2725655B1 (fr) 2010-10-12 2021-07-07 GN Hearing A/S Prothèse auditive à placer derrière l'oreille avec une antenne améliorée
DK2458675T3 (en) 2010-10-12 2018-01-22 Gn Hearing As Hearing aid with antenna
JP2013225730A (ja) * 2012-04-19 2013-10-31 Nippon Hoso Kyokai <Nhk> 無線通信装置
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DK201270411A (en) 2012-07-06 2014-01-07 Gn Resound As BTE hearing aid having two driven antennas
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